BS EN 15328:2020 pdf free.Railway applications一Braking一Brake pads. BS EN 15328 The tolerance ranges for the instantaneous and mean coefficients of friction on a dry brake disc are given for the respective applications in the figures of the corresponding annexes. The instantaneous and the mean coefficients of friction measured in the test bench tests shall be documented in the appropriate tolerance...
BS EN 17092-6:2020 pdf free
BS EN 17092-6:2020 pdf free.Protective garments for motorcycle riders Class C garments - Requirements. BS EN 17092-6 SSS in the SSL of overgarments, which are on the exterior of the garment in Zone 1 and 2 (zones determined according to EN 17092-1:2020, 5.2) shall have at least one line of the stitching protected by an SSL material. Leather or textile...
BS EN 17317:2020 pdf free
BS EN 17317:2020 pdf free.Resilient, textile, laminate and modular mechanical locked floor coverings - Light reflectance value (LRV) of a flooring surface. BS EN 17317 The instrument shall have a spectral range capable of measuring the LRV of a specimen at 16 wavelength points spaced at 20 nm wavelength intervals from 400 nm across the visible spectrum.The instrument shall be...
BS EN 17366:2020 pdf free
BS EN 17366:2020 pdf free.Waste management - Access control to collection containers - Id enti fication and authorization. BS EN 17366 The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition...
BS EN IEC 60098:2020 pdf free
BS EN IEC 60098:2020 pdf free.Analogue audio disk records and reproducing equipment. BS EN IEC 60098 This document applies to analogue audio disk records and the corresponding professional and domestic reproducing equipment. It excludes amplifiers and loudspeakers, methods 0 measurement for which can be found in IEC 60268-3，IEC 60268-5，IEC 60268-21 and IEC 60268-221 . This document specifies the characteristics that...
BS EN IEC 63093-9:2020 pdf free
BS EN IEC 63093-9:2020 pdf free.Ferrite cores - Guidelines on dimensions and the limits of surface irregularities Planar cores. BS EN IEC 63093-9 This part of IEC 63093 specifies the shapes and dimensions of ferrite cores for inductive components (transformers and chokes), whose the coil is typically made of multi-layer boards (or the coil is part of the motherboard)， and...
BS EN 12697-14:2020 pdf free
BS EN 12697-14:2020 pdf free.Bituminous mixtures - Test methods.Water content. BS EN 12697-14 Solvents used in this document shall be capable of dissolving bitumen and distilling the solution to recover the water present. The solvents shall not decompose in water and shall have a boiling point of not more than 85。C to prevent the water from biling.NOTE Currently all hydrocarbon...
BS EN 12697-40:2020 pdf free
BS EN 12697-40:2020 pdf free.Bituminous mixtures - Test methods .In situ drainability. BS EN 12697-40 This document describes a method to determine the in situ relative hydraulic conductivity, at specific locations, of a road surfacing that is designed to be permeable. An estimate of the average value for the surfacing is obtained from the mean value of a number of...
BS ISO 334:2020 pdf free
BS ISO 334:2020 pdf free.Coal and coke一Determination of total sulfur- Eschka method. BS ISO 334 Cover the bottom of the crucible (6.4) uniformly with 0,5 g of the Eschka mixture (5.1), weighed to the nearest 0,1 mg. Mix the test portion intimately with 2,5 g of the Eschka mixture, weighed to the nearest 0,1 mg, in a suitable vessel. Transfer...
BS ISO 1170:2020 pdf free
BS ISO 1170:2020 pdf free.Coal and coke一Calculation of analyses to different bases. BS ISO 1170 In International Standards covering the analysis of coal, it is generally specified that the determination shall be carried out on an air-dried test sample. However, in making use of these analyses, it is sometimes necessary to express or report the results on some other basis....